const puppeteer =require('puppeteer')
const base=`https://movie.douban.com/subject/`;
const doubanId=`26985127`
const videoBase=`https://movie.douban.com/trailer/240074/#content`
const sleep=time=>new Promise(resolve=>{
    setTimeout(resolve,time)
})
;(async ()=>{
    console.log("数据爬取中");
    const browser = await puppeteer.launch({
        args:['no-sandbox'],
        dumpio:false
    });
    const page = await browser.newPage();
    await page.goto(base+doubanId,{
        waitUntil:'networkidle2'
    });
    await sleep(1000);
    const result=await page.evaluate(()=>{
        var $=window.$;
        var it=$(".related-pic-video");
        if(it&&it.length>0){
            var link=it.attr("href");
            var cover=it.css("background-image").split("(")[1].split(")")[0];
            return {
                link,
                cover
            }
        }
        return {}
    })
    let video
    if(result.link){
        await page.goto(result.link,{
            waitUntil:'networkidle2'
        })
        await sleep(2000)
        video=await page.evaluate(()=>{
            var $=window.$
            var it=$("source")
            if(it&&it.length>0){
                return it.attr('src')
            }
            return ''
        })
    }

    const data={
        video,
        doubanId,
        cover:result.cover
    }
    browser.close();
    process.send(data);
    process.send(0)
})()